Question

вычислите (7 1/3 + 2 1/4) / 1/4 - 30 5/6

Answer 1

$(7 frac{4}{12} +2 frac{3}{12} )*4-30 frac{10}{12} =9 frac{7}{12} *4-30 frac{10}{12} =36frac{28}{12} -30 frac{10}{12} =6 frac{18}{12} =7 frac{6}{12}=$7.5